[19cc408] | 1 | #!/usr/local/bin/python |
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| 2 | |
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| 3 | import os,sys |
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[eeb0088] | 4 | import stat # for chmod constants |
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[19cc408] | 5 | import re |
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[ab847bc] | 6 | import random |
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[19cc408] | 7 | import string |
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| 8 | import copy |
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[d81971a] | 9 | import pickle |
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[c971895] | 10 | import logging |
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[eeb0088] | 11 | import subprocess |
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[06cc65b] | 12 | import traceback |
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[9c3e77f] | 13 | import socket |
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[19cc408] | 14 | |
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[f8582c9] | 15 | from threading import * |
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[8e6fe4d] | 16 | from M2Crypto.SSL import SSLError |
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[f8582c9] | 17 | |
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[f771e2f] | 18 | from access import access_base |
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| 19 | |
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[ec4fb42] | 20 | from util import * |
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[6bedbdba] | 21 | from deter import fedid, generate_fedid |
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[6e63513] | 22 | from authorizer import authorizer, abac_authorizer |
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[6a0c9f4] | 23 | from service_error import service_error |
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[9460b1e] | 24 | from remote_service import xmlrpc_handler, soap_handler, service_caller |
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[e83f2f2] | 25 | from proof import proof as access_proof |
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[11a08b0] | 26 | |
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[6c57fe9] | 27 | import httplib |
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| 28 | import tempfile |
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| 29 | from urlparse import urlparse |
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| 30 | |
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[6bedbdba] | 31 | from deter import topdl |
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[11860f52] | 32 | import list_log |
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[06c1dba] | 33 | import emulab_segment |
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[11860f52] | 34 | |
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[0ea11af] | 35 | |
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| 36 | # Make log messages disappear if noone configures a fedd logger |
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[11a08b0] | 37 | class nullHandler(logging.Handler): |
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| 38 | def emit(self, record): pass |
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| 39 | |
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| 40 | fl = logging.getLogger("fedd.access") |
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| 41 | fl.addHandler(nullHandler()) |
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[19cc408] | 42 | |
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[ee950c2] | 43 | class access(access_base): |
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[19cc408] | 44 | """ |
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| 45 | The implementation of access control based on mapping users to projects. |
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| 46 | |
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| 47 | Users can be mapped to existing projects or have projects created |
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| 48 | dynamically. This implements both direct requests and proxies. |
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| 49 | """ |
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| 50 | |
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[53b5c18] | 51 | max_name_len = 19 |
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| 52 | |
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[3f6bc5f] | 53 | def __init__(self, config=None, auth=None): |
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[866c983] | 54 | """ |
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| 55 | Initializer. Pulls parameters out of the ConfigParser's access section. |
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| 56 | """ |
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| 57 | |
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[f771e2f] | 58 | access_base.__init__(self, config, auth) |
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[866c983] | 59 | |
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[53b5c18] | 60 | self.max_name_len = access.max_name_len |
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| 61 | |
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[866c983] | 62 | self.allow_proxy = config.getboolean("access", "allow_proxy") |
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| 63 | |
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| 64 | self.domain = config.get("access", "domain") |
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[eeb0088] | 65 | self.userconfdir = config.get("access","userconfdir") |
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| 66 | self.userconfcmd = config.get("access","userconfcmd") |
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[fe28bb2] | 67 | self.userconfurl = config.get("access","userconfurl") |
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[9b3627e] | 68 | self.federation_software = config.get("access", "federation_software") |
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| 69 | self.portal_software = config.get("access", "portal_software") |
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[e76f38a] | 70 | self.local_seer_software = config.get("access", "local_seer_software") |
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| 71 | self.local_seer_image = config.get("access", "local_seer_image") |
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| 72 | self.local_seer_start = config.get("access", "local_seer_start") |
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[49051fb] | 73 | self.seer_master_start = config.get("access", "seer_master_start") |
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[ecca6eb] | 74 | self.ssh_privkey_file = config.get("access","ssh_privkey_file") |
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[3bddd24] | 75 | self.ssh_pubkey_file = config.get("access","ssh_pubkey_file") |
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[6280b1f] | 76 | self.ssh_port = config.get("access","ssh_port") or "22" |
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[181aeb4] | 77 | self.boss = config.get("access", "boss") |
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[814b5e5] | 78 | self.ops = config.get("access", "ops") |
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[181aeb4] | 79 | self.xmlrpc_cert = config.get("access", "xmlrpc_cert") |
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| 80 | self.xmlrpc_certpw = config.get("access", "xmlrpc_certpw") |
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[5e1fb7b] | 81 | |
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| 82 | self.dragon_endpoint = config.get("access", "dragon") |
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| 83 | self.dragon_vlans = config.get("access", "dragon_vlans") |
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| 84 | self.deter_internal = config.get("access", "deter_internal") |
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| 85 | |
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| 86 | self.tunnel_config = config.getboolean("access", "tunnel_config") |
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| 87 | self.portal_command = config.get("access", "portal_command") |
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| 88 | self.portal_image = config.get("access", "portal_image") |
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| 89 | self.portal_type = config.get("access", "portal_type") or "pc" |
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| 90 | self.portal_startcommand = config.get("access", "portal_startcommand") |
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| 91 | self.node_startcommand = config.get("access", "node_startcommand") |
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[4ffa6f8] | 92 | self.nat_portal = config.get("access", "nat_portal") |
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[5e1fb7b] | 93 | |
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[9c3e77f] | 94 | self.uri = 'https://%s:%d' % (socket.getfqdn(), |
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| 95 | self.get_port(config.get("globals", "services", "23235"))) |
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| 96 | |
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[f771e2f] | 97 | self.federation_software = self.software_list(self.federation_software) |
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| 98 | self.portal_software = self.software_list(self.portal_software) |
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| 99 | self.local_seer_software = self.software_list(self.local_seer_software) |
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[11860f52] | 100 | |
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| 101 | self.access_type = self.access_type.lower() |
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[06c1dba] | 102 | self.start_segment = emulab_segment.start_segment |
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| 103 | self.stop_segment = emulab_segment.stop_segment |
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| 104 | self.info_segment = emulab_segment.info_segment |
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| 105 | self.operation_segment = emulab_segment.operation_segment |
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[26821ac] | 106 | self.exports_segment = emulab_segment.exports_segment |
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[866c983] | 107 | |
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| 108 | self.restricted = [ ] |
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| 109 | tb = config.get('access', 'testbed') |
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| 110 | if tb: self.testbed = [ t.strip() for t in tb.split(',') ] |
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| 111 | else: self.testbed = [ ] |
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| 112 | |
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[6e63513] | 113 | # authorization information |
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| 114 | self.auth_type = config.get('access', 'auth_type') \ |
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[ee950c2] | 115 | or 'abac' |
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[6e63513] | 116 | self.auth_dir = config.get('access', 'auth_dir') |
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| 117 | accessdb = config.get("access", "accessdb") |
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| 118 | # initialize the authorization system |
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[ee950c2] | 119 | if self.auth_type == 'abac': |
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[6e63513] | 120 | self.auth = abac_authorizer(load=self.auth_dir) |
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[c002cb2] | 121 | self.access = [ ] |
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[6e63513] | 122 | if accessdb: |
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[78f2668] | 123 | self.read_access(accessdb, self.access_tuple) |
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[6e63513] | 124 | else: |
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| 125 | raise service_error(service_error.internal, |
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| 126 | "Unknown auth_type: %s" % self.auth_type) |
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[f771e2f] | 127 | |
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[06cc65b] | 128 | # read_state in the base_class |
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[f771e2f] | 129 | self.state_lock.acquire() |
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[ee950c2] | 130 | if 'allocation' not in self.state: self.state['allocation']= { } |
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[f771e2f] | 131 | self.allocation = self.state['allocation'] |
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| 132 | self.state_lock.release() |
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[a20a20f] | 133 | self.exports = { |
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| 134 | 'SMB': self.export_SMB, |
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| 135 | 'seer': self.export_seer, |
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| 136 | 'tmcd': self.export_tmcd, |
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| 137 | 'userconfig': self.export_userconfig, |
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| 138 | 'project_export': self.export_project_export, |
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| 139 | 'local_seer_control': self.export_local_seer, |
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| 140 | 'seer_master': self.export_seer_master, |
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| 141 | 'hide_hosts': self.export_hide_hosts, |
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| 142 | } |
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| 143 | |
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| 144 | if not self.local_seer_image or not self.local_seer_software or \ |
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| 145 | not self.local_seer_start: |
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| 146 | if 'local_seer_control' in self.exports: |
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| 147 | del self.exports['local_seer_control'] |
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| 148 | |
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| 149 | if not self.local_seer_image or not self.local_seer_software or \ |
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| 150 | not self.seer_master_start: |
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| 151 | if 'seer_master' in self.exports: |
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| 152 | del self.exports['seer_master'] |
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[866c983] | 153 | |
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| 154 | |
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| 155 | self.soap_services = {\ |
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| 156 | 'RequestAccess': soap_handler("RequestAccess", self.RequestAccess), |
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| 157 | 'ReleaseAccess': soap_handler("ReleaseAccess", self.ReleaseAccess), |
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[cc8d8e9] | 158 | 'StartSegment': soap_handler("StartSegment", self.StartSegment), |
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[e76f38a] | 159 | 'TerminateSegment': soap_handler("TerminateSegment", |
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| 160 | self.TerminateSegment), |
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[6e33086] | 161 | 'InfoSegment': soap_handler("InfoSegment", self.InfoSegment), |
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[b709861] | 162 | 'OperationSegment': soap_handler("OperationSegment", |
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| 163 | self.OperationSegment), |
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[866c983] | 164 | } |
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| 165 | self.xmlrpc_services = {\ |
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| 166 | 'RequestAccess': xmlrpc_handler('RequestAccess', |
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| 167 | self.RequestAccess), |
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| 168 | 'ReleaseAccess': xmlrpc_handler('ReleaseAccess', |
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| 169 | self.ReleaseAccess), |
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[5ae3857] | 170 | 'StartSegment': xmlrpc_handler("StartSegment", self.StartSegment), |
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| 171 | 'TerminateSegment': xmlrpc_handler('TerminateSegment', |
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| 172 | self.TerminateSegment), |
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[6e33086] | 173 | 'InfoSegment': xmlrpc_handler("InfoSegment", self.InfoSegment), |
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[b709861] | 174 | 'OperationSegment': xmlrpc_handler("OperationSegment", |
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| 175 | self.OperationSegment), |
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[866c983] | 176 | } |
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| 177 | |
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[68f03a6] | 178 | self.call_SetValue = service_caller('SetValue', log=self.log) |
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[2ee4226] | 179 | self.call_GetValue = service_caller('GetValue', log=self.log) |
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[866c983] | 180 | |
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[9c3e77f] | 181 | @staticmethod |
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| 182 | def get_port(ps): |
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| 183 | ''' |
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| 184 | Take a fedd service string and return the first port. Used in |
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| 185 | creating the testbed uri identifier. |
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| 186 | ''' |
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| 187 | p = ps.split(',') |
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| 188 | smallport = p[0].split(':') |
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| 189 | try: |
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| 190 | rv = int(smallport[0]) |
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| 191 | except ValueError: |
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| 192 | rv = 23235 |
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| 193 | return rv |
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| 194 | |
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[6e63513] | 195 | @staticmethod |
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[78f2668] | 196 | def access_tuple(str): |
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[6e63513] | 197 | """ |
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[f77a256] | 198 | Convert a string of the form (id, id, id) into an access_project. This |
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| 199 | is called by read_access to convert to local attributes. It returns a |
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| 200 | tuple of the form (project, user, certificate_file). |
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[6e63513] | 201 | """ |
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| 202 | |
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| 203 | str = str.strip() |
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[f77a256] | 204 | if str.startswith('(') and str.endswith(')') and str.count(',') == 2: |
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[725c55d] | 205 | # The slice takes the parens off the string. |
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[f77a256] | 206 | proj, user, cert = str[1:-1].split(',') |
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| 207 | return (proj.strip(), user.strip(), cert.strip()) |
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[6e63513] | 208 | else: |
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| 209 | raise self.parse_error( |
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[f77a256] | 210 | 'Bad mapping (unbalanced parens or more than 2 commas)') |
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[6e63513] | 211 | |
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[06cc65b] | 212 | # RequestAccess support routines |
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| 213 | |
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[f77a256] | 214 | def save_project_state(self, aid, pname, uname, certf, owners): |
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[f771e2f] | 215 | """ |
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[ee950c2] | 216 | Save the project, user, and owners associated with this allocation. |
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| 217 | This creates the allocation entry. |
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[f771e2f] | 218 | """ |
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| 219 | self.state_lock.acquire() |
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| 220 | self.allocation[aid] = { } |
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[ee950c2] | 221 | self.allocation[aid]['project'] = pname |
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| 222 | self.allocation[aid]['user'] = uname |
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[f77a256] | 223 | self.allocation[aid]['cert'] = certf |
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[f771e2f] | 224 | self.allocation[aid]['owners'] = owners |
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| 225 | self.write_state() |
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| 226 | self.state_lock.release() |
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| 227 | return (pname, uname) |
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[19cc408] | 228 | |
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[06cc65b] | 229 | # End of RequestAccess support routines |
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| 230 | |
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[19cc408] | 231 | def RequestAccess(self, req, fid): |
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[866c983] | 232 | """ |
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| 233 | Handle the access request. Proxy if not for us. |
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| 234 | |
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| 235 | Parse out the fields and make the allocations or rejections if for us, |
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| 236 | otherwise, assuming we're willing to proxy, proxy the request out. |
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| 237 | """ |
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| 238 | |
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| 239 | def gateway_hardware(h): |
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[5e1fb7b] | 240 | if h == 'GWTYPE': return self.portal_type or 'GWTYPE' |
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[866c983] | 241 | else: return h |
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| 242 | |
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[43197eb] | 243 | def get_export_project(svcs): |
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| 244 | """ |
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| 245 | if the service requests includes one to export a project, return |
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| 246 | that project. |
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| 247 | """ |
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| 248 | rv = None |
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| 249 | for s in svcs: |
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| 250 | if s.get('name', '') == 'project_export' and \ |
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| 251 | s.get('visibility', '') == 'export': |
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| 252 | if not rv: |
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[1f6a573] | 253 | for a in s.get('fedAttr', []): |
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[43197eb] | 254 | if a.get('attribute', '') == 'project' \ |
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| 255 | and 'value' in a: |
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| 256 | rv = a['value'] |
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| 257 | else: |
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| 258 | raise service_error(service_error, access, |
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| 259 | 'Requesting multiple project exports is ' + \ |
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| 260 | 'not supported'); |
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| 261 | return rv |
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| 262 | |
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[8cab4c2] | 263 | self.log.info("RequestAccess called by %s" % fid) |
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[866c983] | 264 | # The dance to get into the request body |
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| 265 | if req.has_key('RequestAccessRequestBody'): |
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| 266 | req = req['RequestAccessRequestBody'] |
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| 267 | else: |
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| 268 | raise service_error(service_error.req, "No request!?") |
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| 269 | |
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[1f6a573] | 270 | # if this includes a project export request, construct a filter such |
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| 271 | # that only the ABAC attributes mapped to that project are checked for |
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| 272 | # access. |
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| 273 | if 'service' in req: |
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| 274 | ep = get_export_project(req['service']) |
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[de86b35] | 275 | if ep: pf = lambda(a): a.value[0] == ep |
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| 276 | else: pf = None |
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[1f6a573] | 277 | else: |
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| 278 | ep = None |
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| 279 | pf = None |
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| 280 | |
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[c573278] | 281 | if self.auth.import_credentials( |
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| 282 | data_list=req.get('abac_credential', [])): |
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| 283 | self.auth.save() |
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[cde9b98] | 284 | else: |
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| 285 | self.log.debug('failed to import incoming credentials') |
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[866c983] | 286 | |
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[ee950c2] | 287 | if self.auth_type == 'abac': |
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| 288 | found, owners, proof = self.lookup_access(req, fid, filter=pf) |
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[6e63513] | 289 | else: |
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| 290 | raise service_error(service_error.internal, |
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| 291 | 'Unknown auth_type: %s' % self.auth_type) |
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[f771e2f] | 292 | ap = None |
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[866c983] | 293 | |
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[f771e2f] | 294 | # keep track of what's been added |
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| 295 | allocID, alloc_cert = generate_fedid(subj="alloc", log=self.log) |
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| 296 | aid = unicode(allocID) |
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| 297 | |
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[f77a256] | 298 | pname, uname = self.save_project_state(aid, found[0], found[1], |
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| 299 | found[2], owners) |
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[f771e2f] | 300 | |
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| 301 | services, svc_state = self.export_services(req.get('service',[]), |
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| 302 | pname, uname) |
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| 303 | self.state_lock.acquire() |
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| 304 | # Store services state in global state |
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| 305 | for k, v in svc_state.items(): |
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| 306 | self.allocation[aid][k] = v |
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[c65b7e4] | 307 | self.append_allocation_authorization(aid, |
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| 308 | set([(o, allocID) for o in owners]), state_attr='allocation') |
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[f771e2f] | 309 | self.write_state() |
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| 310 | self.state_lock.release() |
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| 311 | try: |
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| 312 | f = open("%s/%s.pem" % (self.certdir, aid), "w") |
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| 313 | print >>f, alloc_cert |
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| 314 | f.close() |
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| 315 | except EnvironmentError, e: |
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[8cab4c2] | 316 | self.log.info("RequestAccess failed for by %s: internal error" \ |
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| 317 | % fid) |
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[f771e2f] | 318 | raise service_error(service_error.internal, |
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| 319 | "Can't open %s/%s : %s" % (self.certdir, aid, e)) |
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[8cab4c2] | 320 | self.log.debug('RequestAccess Returning allocation ID: %s' % allocID) |
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[f771e2f] | 321 | resp = self.build_access_response({ 'fedid': allocID } , |
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[ee950c2] | 322 | pname, services, proof) |
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[f771e2f] | 323 | return resp |
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[d81971a] | 324 | |
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| 325 | def ReleaseAccess(self, req, fid): |
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[8cab4c2] | 326 | self.log.info("ReleaseAccess called by %s" % fid) |
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[866c983] | 327 | # The dance to get into the request body |
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| 328 | if req.has_key('ReleaseAccessRequestBody'): |
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| 329 | req = req['ReleaseAccessRequestBody'] |
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| 330 | else: |
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| 331 | raise service_error(service_error.req, "No request!?") |
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| 332 | |
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[8cf2b90e] | 333 | try: |
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| 334 | if req['allocID'].has_key('localname'): |
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| 335 | auth_attr = aid = req['allocID']['localname'] |
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| 336 | elif req['allocID'].has_key('fedid'): |
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| 337 | aid = unicode(req['allocID']['fedid']) |
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| 338 | auth_attr = req['allocID']['fedid'] |
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| 339 | else: |
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| 340 | raise service_error(service_error.req, |
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| 341 | "Only localnames and fedids are understood") |
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| 342 | except KeyError: |
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| 343 | raise service_error(service_error.req, "Badly formed request") |
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| 344 | |
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[725c55d] | 345 | self.log.debug("[access] deallocation requested for %s by %s" % \ |
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| 346 | (aid, fid)) |
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[e83f2f2] | 347 | access_ok, proof = self.auth.check_attribute(fid, auth_attr, |
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| 348 | with_proof=True) |
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| 349 | if not access_ok: |
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[8cf2b90e] | 350 | self.log.debug("[access] deallocation denied for %s", aid) |
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| 351 | raise service_error(service_error.access, "Access Denied") |
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| 352 | |
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| 353 | self.state_lock.acquire() |
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| 354 | if aid in self.allocation: |
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| 355 | self.log.debug("Found allocation for %s" %aid) |
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[c65b7e4] | 356 | self.clear_allocation_authorization(aid, state_attr='allocation') |
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[8cf2b90e] | 357 | del self.allocation[aid] |
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| 358 | self.write_state() |
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| 359 | self.state_lock.release() |
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[ee950c2] | 360 | # Remove the access cert |
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[8cf2b90e] | 361 | cf = "%s/%s.pem" % (self.certdir, aid) |
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| 362 | self.log.debug("Removing %s" % cf) |
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| 363 | os.remove(cf) |
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[8cab4c2] | 364 | self.log.info("ReleaseAccess succeeded for %s" % fid) |
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[e83f2f2] | 365 | return { 'allocID': req['allocID'], 'proof': proof.to_dict() } |
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[8cf2b90e] | 366 | else: |
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| 367 | self.state_lock.release() |
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| 368 | raise service_error(service_error.req, "No such allocation") |
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[866c983] | 369 | |
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[06cc65b] | 370 | # These are subroutines for StartSegment |
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[8cf2b90e] | 371 | def generate_ns2(self, topo, expfn, softdir, connInfo): |
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[06cc65b] | 372 | """ |
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| 373 | Convert topo into an ns2 file, decorated with appropriate commands for |
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| 374 | the particular testbed setup. Convert all requests for software, etc |
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| 375 | to point at the staged copies on this testbed and add the federation |
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| 376 | startcommands. |
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| 377 | """ |
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[617592b] | 378 | class dragon_commands: |
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| 379 | """ |
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| 380 | Functor to spit out approrpiate dragon commands for nodes listed in |
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| 381 | the connectivity description. The constructor makes a dict mapping |
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| 382 | dragon nodes to their parameters and the __call__ checks each |
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| 383 | element in turn for membership. |
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| 384 | """ |
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| 385 | def __init__(self, map): |
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| 386 | self.node_info = map |
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| 387 | |
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| 388 | def __call__(self, e): |
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| 389 | s = "" |
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| 390 | if isinstance(e, topdl.Computer): |
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[49051fb] | 391 | if self.node_info.has_key(e.name): |
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[fefa026] | 392 | info = self.node_info[e.name] |
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| 393 | for ifname, vlan, type in info: |
---|
[617592b] | 394 | for i in e.interface: |
---|
| 395 | if i.name == ifname: |
---|
| 396 | addr = i.get_attribute('ip4_address') |
---|
| 397 | subs = i.substrate[0] |
---|
| 398 | break |
---|
| 399 | else: |
---|
| 400 | raise service_error(service_error.internal, |
---|
| 401 | "No interface %s on element %s" % \ |
---|
[49051fb] | 402 | (ifname, e.name)) |
---|
[1cf8e2c] | 403 | # XXX: do netmask right |
---|
[617592b] | 404 | if type =='link': |
---|
[06cc65b] | 405 | s = ("tb-allow-external ${%s} " + \ |
---|
| 406 | "dragonportal ip %s vlan %s " + \ |
---|
| 407 | "netmask 255.255.255.0\n") % \ |
---|
[e07c8f3] | 408 | (topdl.to_tcl_name(e.name), addr, vlan) |
---|
[617592b] | 409 | elif type =='lan': |
---|
[06cc65b] | 410 | s = ("tb-allow-external ${%s} " + \ |
---|
| 411 | "dragonportal " + \ |
---|
[617592b] | 412 | "ip %s vlan %s usurp %s\n") % \ |
---|
[e07c8f3] | 413 | (topdl.to_tcl_name(e.name), addr, |
---|
| 414 | vlan, subs) |
---|
[617592b] | 415 | else: |
---|
| 416 | raise service_error(service_error_internal, |
---|
| 417 | "Unknown DRAGON type %s" % type) |
---|
| 418 | return s |
---|
| 419 | |
---|
| 420 | class not_dragon: |
---|
[06cc65b] | 421 | """ |
---|
| 422 | Return true if a node is in the given map of dragon nodes. |
---|
| 423 | """ |
---|
[617592b] | 424 | def __init__(self, map): |
---|
| 425 | self.nodes = set(map.keys()) |
---|
| 426 | |
---|
| 427 | def __call__(self, e): |
---|
[49051fb] | 428 | return e.name not in self.nodes |
---|
[69692a9] | 429 | |
---|
[4d68ba6] | 430 | def have_portals(top): |
---|
| 431 | ''' |
---|
| 432 | Return true if the topology has a portal node |
---|
| 433 | ''' |
---|
| 434 | # The else is on the for |
---|
| 435 | for e in top.elements: |
---|
| 436 | if isinstance(e, topdl.Computer) and e.get_attribute('portal'): |
---|
| 437 | return True |
---|
| 438 | else: |
---|
| 439 | return False |
---|
| 440 | |
---|
| 441 | |
---|
[06cc65b] | 442 | # Main line of generate_ns2 |
---|
[ecca6eb] | 443 | t = topo.clone() |
---|
| 444 | |
---|
[06cc65b] | 445 | # Create the map of nodes that need direct connections (dragon |
---|
| 446 | # connections) from the connInfo |
---|
[617592b] | 447 | dragon_map = { } |
---|
| 448 | for i in [ i for i in connInfo if i['type'] == 'transit']: |
---|
| 449 | for a in i.get('fedAttr', []): |
---|
| 450 | if a['attribute'] == 'vlan_id': |
---|
| 451 | vlan = a['value'] |
---|
| 452 | break |
---|
| 453 | else: |
---|
[8cf2b90e] | 454 | raise service_error(service_error.internal, "No vlan tag") |
---|
[617592b] | 455 | members = i.get('member', []) |
---|
| 456 | if len(members) > 1: type = 'lan' |
---|
| 457 | else: type = 'link' |
---|
| 458 | |
---|
| 459 | try: |
---|
| 460 | for m in members: |
---|
[8cf2b90e] | 461 | if m['element'] in dragon_map: |
---|
[617592b] | 462 | dragon_map[m['element']].append(( m['interface'], |
---|
| 463 | vlan, type)) |
---|
| 464 | else: |
---|
| 465 | dragon_map[m['element']] = [( m['interface'], |
---|
| 466 | vlan, type),] |
---|
| 467 | except KeyError: |
---|
| 468 | raise service_error(service_error.req, |
---|
| 469 | "Missing connectivity info") |
---|
| 470 | |
---|
[319fb0a] | 471 | def output_fixed_filter(e): |
---|
| 472 | if not isinstance(e, topdl.Computer): return "" |
---|
| 473 | fn = e.get_attribute('fixed') |
---|
| 474 | if fn is None: |
---|
| 475 | return "" |
---|
| 476 | else: |
---|
[f725eda] | 477 | return 'tb-fix-node ${%s} %s\n' % (topdl.to_tcl_name(e.name), fn) |
---|
| 478 | |
---|
| 479 | def output_external_access(e): |
---|
| 480 | ''' |
---|
| 481 | Allow nodes that have explicit external access requests attached to |
---|
| 482 | have external access. This will be replaced by a real risky |
---|
| 483 | experiment filter. |
---|
| 484 | ''' |
---|
| 485 | if not isinstance(e, topdl.Computer): return "" |
---|
| 486 | ex = e.get_attribute('containers:external') |
---|
| 487 | if ex is None: |
---|
| 488 | return "" |
---|
| 489 | else: |
---|
| 490 | return 'tb-allow-external ${%s}\n' % topdl.to_tcl_name(e.name) |
---|
[319fb0a] | 491 | |
---|
[35aa3ae] | 492 | # Weed out the things we aren't going to instantiate: Segments, portal |
---|
| 493 | # substrates, and portal interfaces. (The copy in the for loop allows |
---|
| 494 | # us to delete from e.elements in side the for loop). While we're |
---|
| 495 | # touching all the elements, we also adjust paths from the original |
---|
| 496 | # testbed to local testbed paths and put the federation commands into |
---|
| 497 | # the start commands |
---|
[4d68ba6] | 498 | local = len(dragon_map) == 0 and not have_portals(t) |
---|
| 499 | if local: routing = 'Static' |
---|
| 500 | else: routing = 'Manual' |
---|
| 501 | |
---|
[aada25c] | 502 | if local: |
---|
| 503 | self.log.debug("Local experiment.") |
---|
[35aa3ae] | 504 | for e in [e for e in t.elements]: |
---|
| 505 | if isinstance(e, topdl.Segment): |
---|
| 506 | t.elements.remove(e) |
---|
[43649f1] | 507 | if isinstance(e, topdl.Computer): |
---|
[e76f38a] | 508 | self.add_kit(e, self.federation_software) |
---|
[5e1fb7b] | 509 | if e.get_attribute('portal') and self.portal_startcommand: |
---|
[9b3627e] | 510 | # Add local portal support software |
---|
[e76f38a] | 511 | self.add_kit(e, self.portal_software) |
---|
[43649f1] | 512 | # Portals never have a user-specified start command |
---|
[5e1fb7b] | 513 | e.set_attribute('startup', self.portal_startcommand) |
---|
[4d68ba6] | 514 | elif not local and self.node_startcommand: |
---|
[43649f1] | 515 | if e.get_attribute('startup'): |
---|
[d87778f] | 516 | e.set_attribute('startup', "%s \\$USER '%s'" % \ |
---|
[5e1fb7b] | 517 | (self.node_startcommand, |
---|
| 518 | e.get_attribute('startup'))) |
---|
[43649f1] | 519 | else: |
---|
[5e1fb7b] | 520 | e.set_attribute('startup', self.node_startcommand) |
---|
[0297248] | 521 | |
---|
[49051fb] | 522 | dinf = [i[0] for i in dragon_map.get(e.name, []) ] |
---|
[35aa3ae] | 523 | # Remove portal interfaces that do not connect to DRAGON |
---|
| 524 | e.interface = [i for i in e.interface \ |
---|
[617592b] | 525 | if not i.get_attribute('portal') or i.name in dinf ] |
---|
[9b3627e] | 526 | # Fix software paths |
---|
| 527 | for s in getattr(e, 'software', []): |
---|
| 528 | s.location = re.sub("^.*/", softdir, s.location) |
---|
[35aa3ae] | 529 | |
---|
| 530 | t.substrates = [ s.clone() for s in t.substrates ] |
---|
| 531 | t.incorporate_elements() |
---|
[ecca6eb] | 532 | |
---|
| 533 | # Customize the ns2 output for local portal commands and images |
---|
[f725eda] | 534 | filters = [output_fixed_filter, output_external_access] |
---|
[ecca6eb] | 535 | |
---|
[5e1fb7b] | 536 | if self.dragon_endpoint: |
---|
[617592b] | 537 | add_filter = not_dragon(dragon_map) |
---|
| 538 | filters.append(dragon_commands(dragon_map)) |
---|
[69692a9] | 539 | else: |
---|
| 540 | add_filter = None |
---|
| 541 | |
---|
[5e1fb7b] | 542 | if self.portal_command: |
---|
| 543 | filters.append(topdl.generate_portal_command_filter( |
---|
| 544 | self.portal_command, add_filter=add_filter)) |
---|
[ecca6eb] | 545 | |
---|
[5e1fb7b] | 546 | if self.portal_image: |
---|
[ecca6eb] | 547 | filters.append(topdl.generate_portal_image_filter( |
---|
[5e1fb7b] | 548 | self.portal_image)) |
---|
[ecca6eb] | 549 | |
---|
[5e1fb7b] | 550 | if self.portal_type: |
---|
[ecca6eb] | 551 | filters.append(topdl.generate_portal_hardware_filter( |
---|
[5e1fb7b] | 552 | self.portal_type)) |
---|
[ecca6eb] | 553 | |
---|
| 554 | # Convert to ns and write it out |
---|
[4d68ba6] | 555 | expfile = topdl.topology_to_ns2(t, filters, routing=routing) |
---|
[ecca6eb] | 556 | try: |
---|
| 557 | f = open(expfn, "w") |
---|
| 558 | print >>f, expfile |
---|
| 559 | f.close() |
---|
[d3c8759] | 560 | except EnvironmentError: |
---|
[ecca6eb] | 561 | raise service_error(service_error.internal, |
---|
| 562 | "Cannot write experiment file %s: %s" % (expfn,e)) |
---|
[f9ef40b] | 563 | |
---|
[2c1fd21] | 564 | def export_store_info(self, cf, proj, ename, connInfo): |
---|
| 565 | """ |
---|
[26821ac] | 566 | For the export requests in the connection info, send out teh SetValue |
---|
| 567 | calls for parameters initialized by the segment's export_segment |
---|
| 568 | object. Values are all in the connInfo parameter's value fields. |
---|
[2c1fd21] | 569 | """ |
---|
| 570 | |
---|
| 571 | for c in connInfo: |
---|
[26821ac] | 572 | for p in c.get('parameter', []): |
---|
| 573 | # Ignore non-output parameters |
---|
| 574 | if p.get('type', '') != 'output': |
---|
| 575 | continue |
---|
| 576 | # Sanity check store, key and value |
---|
| 577 | surl = p.get('store', None) |
---|
| 578 | key = p.get('key', None) |
---|
| 579 | value = p.get('value', None) |
---|
| 580 | if surl is None: |
---|
| 581 | self.log.error("Export parameter without store: %s" % \ |
---|
| 582 | p.get('name')) |
---|
| 583 | continue |
---|
| 584 | if key is None: |
---|
| 585 | self.log.error("Export parameter without key: %s" % \ |
---|
| 586 | p.get('name')) |
---|
| 587 | continue |
---|
| 588 | if value is None: |
---|
| 589 | self.log.error("Unknown (unset) export parameter: %s" % \ |
---|
[2c1fd21] | 590 | p.get('name')) |
---|
| 591 | continue |
---|
[26821ac] | 592 | # Set the store value |
---|
| 593 | req = { 'name': key, 'value': value } |
---|
| 594 | self.call_SetValue(surl, req, cf) |
---|
[2c1fd21] | 595 | |
---|
[49051fb] | 596 | def add_seer_node(self, topo, name, startup): |
---|
| 597 | """ |
---|
| 598 | Add a seer node to the given topology, with the startup command passed |
---|
[06cc65b] | 599 | in. Used by configure seer_services. |
---|
[49051fb] | 600 | """ |
---|
| 601 | c_node = topdl.Computer( |
---|
| 602 | name=name, |
---|
| 603 | os= topdl.OperatingSystem( |
---|
| 604 | attribute=[ |
---|
| 605 | { 'attribute': 'osid', |
---|
| 606 | 'value': self.local_seer_image }, |
---|
| 607 | ]), |
---|
| 608 | attribute=[ |
---|
| 609 | { 'attribute': 'startup', 'value': startup }, |
---|
| 610 | ] |
---|
| 611 | ) |
---|
| 612 | self.add_kit(c_node, self.local_seer_software) |
---|
| 613 | topo.elements.append(c_node) |
---|
| 614 | |
---|
| 615 | def configure_seer_services(self, services, topo, softdir): |
---|
[8cf2b90e] | 616 | """ |
---|
| 617 | Make changes to the topology required for the seer requests being made. |
---|
| 618 | Specifically, add any control or master nodes required and set up the |
---|
| 619 | start commands on the nodes to interconnect them. |
---|
| 620 | """ |
---|
| 621 | local_seer = False # True if we need to add a control node |
---|
| 622 | collect_seer = False # True if there is a seer-master node |
---|
| 623 | seer_master= False # True if we need to add the seer-master |
---|
[49051fb] | 624 | for s in services: |
---|
| 625 | s_name = s.get('name', '') |
---|
| 626 | s_vis = s.get('visibility','') |
---|
| 627 | |
---|
[8cf2b90e] | 628 | if s_name == 'local_seer_control' and s_vis == 'export': |
---|
[49051fb] | 629 | local_seer = True |
---|
| 630 | elif s_name == 'seer_master': |
---|
| 631 | if s_vis == 'import': |
---|
| 632 | collect_seer = True |
---|
| 633 | elif s_vis == 'export': |
---|
| 634 | seer_master = True |
---|
| 635 | |
---|
| 636 | # We've got the whole picture now, so add nodes if needed and configure |
---|
| 637 | # them to interconnect properly. |
---|
| 638 | if local_seer or seer_master: |
---|
| 639 | # Copy local seer control node software to the tempdir |
---|
| 640 | for l, f in self.local_seer_software: |
---|
| 641 | base = os.path.basename(f) |
---|
| 642 | copy_file(f, "%s/%s" % (softdir, base)) |
---|
| 643 | # If we're collecting seers somewhere the controllers need to talk to |
---|
| 644 | # the master. In testbeds that export the service, that will be a |
---|
| 645 | # local node that we'll add below. Elsewhere it will be the control |
---|
| 646 | # portal that will port forward to the exporting master. |
---|
| 647 | if local_seer: |
---|
| 648 | if collect_seer: |
---|
[acaa9b9] | 649 | startup = "%s -C %s" % (self.local_seer_start, "seer-master") |
---|
[49051fb] | 650 | else: |
---|
| 651 | startup = self.local_seer_start |
---|
| 652 | self.add_seer_node(topo, 'control', startup) |
---|
| 653 | # If this is the seer master, add that node, too. |
---|
| 654 | if seer_master: |
---|
[e07c8f3] | 655 | self.add_seer_node(topo, 'seer-master', |
---|
| 656 | "%s -R -n -R seer-master -R -A -R sink" % \ |
---|
| 657 | self.seer_master_start) |
---|
[49051fb] | 658 | |
---|
[06cc65b] | 659 | def retrieve_software(self, topo, certfile, softdir): |
---|
| 660 | """ |
---|
| 661 | Collect the software that nodes in the topology need loaded and stage |
---|
| 662 | it locally. This implies retrieving it from the experiment_controller |
---|
| 663 | and placing it into softdir. Certfile is used to prove that this node |
---|
| 664 | has access to that data (it's the allocation/segment fedid). Finally |
---|
| 665 | local portal and federation software is also copied to the same staging |
---|
| 666 | directory for simplicity - all software needed for experiment creation |
---|
| 667 | is in softdir. |
---|
| 668 | """ |
---|
| 669 | sw = set() |
---|
| 670 | for e in topo.elements: |
---|
| 671 | for s in getattr(e, 'software', []): |
---|
| 672 | sw.add(s.location) |
---|
| 673 | for s in sw: |
---|
| 674 | self.log.debug("Retrieving %s" % s) |
---|
| 675 | try: |
---|
[815cd26] | 676 | get_url(s, certfile, softdir, log=self.log) |
---|
[06cc65b] | 677 | except: |
---|
| 678 | t, v, st = sys.exc_info() |
---|
| 679 | raise service_error(service_error.internal, |
---|
| 680 | "Error retrieving %s: %s" % (s, v)) |
---|
[49051fb] | 681 | |
---|
[06cc65b] | 682 | # Copy local federation and portal node software to the tempdir |
---|
| 683 | for s in (self.federation_software, self.portal_software): |
---|
| 684 | for l, f in s: |
---|
| 685 | base = os.path.basename(f) |
---|
| 686 | copy_file(f, "%s/%s" % (softdir, base)) |
---|
[49051fb] | 687 | |
---|
[6c57fe9] | 688 | |
---|
[06cc65b] | 689 | def initialize_experiment_info(self, attrs, aid, certfile, tmpdir): |
---|
| 690 | """ |
---|
| 691 | Gather common configuration files, retrieve or create an experiment |
---|
| 692 | name and project name, and return the ssh_key filenames. Create an |
---|
| 693 | allocation log bound to the state log variable as well. |
---|
| 694 | """ |
---|
[3df9b33] | 695 | configs = ('hosts', 'ssh_pubkey', 'ssh_secretkey', |
---|
[9a52a80] | 696 | 'seer_ca_pem', 'seer_node_pem', 'route.tgz') |
---|
[06cc65b] | 697 | ename = None |
---|
| 698 | pubkey_base = None |
---|
| 699 | secretkey_base = None |
---|
| 700 | proj = None |
---|
| 701 | user = None |
---|
| 702 | alloc_log = None |
---|
[05c41f5] | 703 | nonce_experiment = False |
---|
[262328f] | 704 | vchars_re = '[^' + string.ascii_letters + string.digits + '-]' |
---|
[06cc65b] | 705 | |
---|
[f3898f7] | 706 | self.state_lock.acquire() |
---|
| 707 | if aid in self.allocation: |
---|
| 708 | proj = self.allocation[aid].get('project', None) |
---|
| 709 | self.state_lock.release() |
---|
| 710 | |
---|
| 711 | if not proj: |
---|
| 712 | raise service_error(service_error.internal, |
---|
| 713 | "Can't find project for %s" %aid) |
---|
| 714 | |
---|
[06cc65b] | 715 | for a in attrs: |
---|
| 716 | if a['attribute'] in configs: |
---|
| 717 | try: |
---|
| 718 | self.log.debug("Retrieving %s from %s" % \ |
---|
| 719 | (a['attribute'], a['value'])) |
---|
[815cd26] | 720 | get_url(a['value'], certfile, tmpdir, log=self.log) |
---|
[06cc65b] | 721 | except: |
---|
| 722 | t, v, st = sys.exc_info() |
---|
| 723 | raise service_error(service_error.internal, |
---|
| 724 | "Error retrieving %s: %s" % (a.get('value', ""), v)) |
---|
| 725 | if a['attribute'] == 'ssh_pubkey': |
---|
| 726 | pubkey_base = a['value'].rpartition('/')[2] |
---|
| 727 | if a['attribute'] == 'ssh_secretkey': |
---|
| 728 | secretkey_base = a['value'].rpartition('/')[2] |
---|
| 729 | if a['attribute'] == 'experiment_name': |
---|
| 730 | ename = a['value'] |
---|
| 731 | |
---|
[f3898f7] | 732 | # Names longer than the emulab max are discarded |
---|
[c167378] | 733 | if ename and len(ename) <= self.max_name_len: |
---|
[262328f] | 734 | # Clean up the experiment name so that emulab will accept it. |
---|
| 735 | ename = re.sub(vchars_re, '-', ename) |
---|
| 736 | |
---|
| 737 | else: |
---|
[06cc65b] | 738 | ename = "" |
---|
| 739 | for i in range(0,5): |
---|
| 740 | ename += random.choice(string.ascii_letters) |
---|
[05c41f5] | 741 | nonce_experiment = True |
---|
[53b5c18] | 742 | self.log.warn("No experiment name or suggestion too long: " + \ |
---|
| 743 | "picked one randomly: %s" % ename) |
---|
[06cc65b] | 744 | |
---|
| 745 | if not pubkey_base: |
---|
| 746 | raise service_error(service_error.req, |
---|
| 747 | "No public key attribute") |
---|
| 748 | |
---|
| 749 | if not secretkey_base: |
---|
| 750 | raise service_error(service_error.req, |
---|
| 751 | "No secret key attribute") |
---|
[6c57fe9] | 752 | |
---|
[06cc65b] | 753 | self.state_lock.acquire() |
---|
| 754 | if aid in self.allocation: |
---|
| 755 | user = self.allocation[aid].get('user', None) |
---|
[f77a256] | 756 | cert = self.allocation[aid].get('cert', None) |
---|
[06cc65b] | 757 | self.allocation[aid]['experiment'] = ename |
---|
[05c41f5] | 758 | self.allocation[aid]['nonce'] = nonce_experiment |
---|
[06cc65b] | 759 | self.allocation[aid]['log'] = [ ] |
---|
| 760 | # Create a logger that logs to the experiment's state object as |
---|
| 761 | # well as to the main log file. |
---|
| 762 | alloc_log = logging.getLogger('fedd.access.%s' % ename) |
---|
| 763 | h = logging.StreamHandler( |
---|
| 764 | list_log.list_log(self.allocation[aid]['log'])) |
---|
| 765 | # XXX: there should be a global one of these rather than |
---|
| 766 | # repeating the code. |
---|
| 767 | h.setFormatter(logging.Formatter( |
---|
| 768 | "%(asctime)s %(name)s %(message)s", |
---|
| 769 | '%d %b %y %H:%M:%S')) |
---|
| 770 | alloc_log.addHandler(h) |
---|
| 771 | self.write_state() |
---|
| 772 | self.state_lock.release() |
---|
| 773 | |
---|
| 774 | if not user: |
---|
| 775 | raise service_error(service_error.internal, |
---|
| 776 | "Can't find creation user for %s" %aid) |
---|
| 777 | |
---|
[f77a256] | 778 | return (ename, proj, user, cert, pubkey_base, secretkey_base, alloc_log) |
---|
[06cc65b] | 779 | |
---|
[6e33086] | 780 | def decorate_topology(self, info, t): |
---|
[06cc65b] | 781 | """ |
---|
[6e33086] | 782 | Copy the physical mapping and status onto the topology. Used by |
---|
| 783 | StartSegment and InfoSegment |
---|
[06cc65b] | 784 | """ |
---|
[6e33086] | 785 | def add_new(ann, attr): |
---|
| 786 | for a in ann: |
---|
| 787 | if a not in attr: attr.append(a) |
---|
| 788 | |
---|
[cebcdce] | 789 | def merge_os(os, e): |
---|
| 790 | if len(e.os) == 0: |
---|
| 791 | # No OS at all: |
---|
| 792 | if os.get_attribute('emulab_access:image'): |
---|
| 793 | os.set_attribute('emulab_access:initial_image', |
---|
| 794 | os.get_attribute('emulab_access:image')) |
---|
| 795 | e.os = [ os ] |
---|
| 796 | elif len(e.os) == 1: |
---|
| 797 | # There's one OS, copy the initial image and replace |
---|
| 798 | eos = e.os[0] |
---|
| 799 | initial = eos.get_attribute('emulab_access:initial_image') |
---|
| 800 | if initial: |
---|
| 801 | os.set_attribute('emulab_access:initial_image', initial) |
---|
| 802 | e.os = [ os] |
---|
| 803 | else: |
---|
| 804 | # Multiple OSes, replace or append |
---|
| 805 | for eos in e.os: |
---|
| 806 | if os.name == eos.name: |
---|
| 807 | eos.version = os.version |
---|
| 808 | eos.version = os.distribution |
---|
| 809 | eos.version = os.distributionversion |
---|
| 810 | for a in os.attribute: |
---|
| 811 | if eos.get_attribute(a.attribute): |
---|
| 812 | eos.remove_attribute(a.attribute) |
---|
| 813 | eos.set_attribute(a.attribute, a.value) |
---|
| 814 | break |
---|
| 815 | else: |
---|
| 816 | e.os.append(os) |
---|
| 817 | |
---|
| 818 | |
---|
| 819 | if t is None: return |
---|
[7653f01] | 820 | i = 0 # For fake debugging instantiation |
---|
[06cc65b] | 821 | # Copy the assigned names into the return topology |
---|
[c6f867c] | 822 | for e in t.elements: |
---|
[29d5f7c] | 823 | if isinstance(e, topdl.Computer): |
---|
| 824 | if not self.create_debug: |
---|
[6e33086] | 825 | if e.name in info.node: |
---|
[1ae1aa2] | 826 | add_new(("%s%s" % |
---|
| 827 | (info.node[e.name].pname, self.domain),), |
---|
| 828 | e.localname) |
---|
[6527d60] | 829 | add_new(("%s%s" % |
---|
| 830 | (info.node[e.name].lname, self.domain),), |
---|
| 831 | e.localname) |
---|
[1ae1aa2] | 832 | e.status = info.node[e.name].status |
---|
| 833 | os = info.node[e.name].getOS() |
---|
[cebcdce] | 834 | if os: merge_os(os, e) |
---|
[29d5f7c] | 835 | else: |
---|
| 836 | # Simple debugging assignment |
---|
[6e33086] | 837 | add_new(("node%d%s" % (i, self.domain),), e.localname) |
---|
[29d5f7c] | 838 | e.status = 'active' |
---|
[6e33086] | 839 | add_new(('testop1', 'testop2'), e.operation) |
---|
[29d5f7c] | 840 | i += 1 |
---|
| 841 | |
---|
[6527d60] | 842 | for s in t.substrates: |
---|
| 843 | if s.name in info.subs: |
---|
| 844 | sub = info.subs[s.name] |
---|
| 845 | if sub.cap is not None: |
---|
| 846 | s.capacity = topdl.Capacity(sub.cap, 'max') |
---|
| 847 | if sub.delay is not None: |
---|
| 848 | s.delay = topdl.Latency(sub.delay, 'max') |
---|
| 849 | # XXX interfaces |
---|
| 850 | |
---|
[6e33086] | 851 | |
---|
| 852 | def finalize_experiment(self, starter, topo, aid, alloc_id, proof): |
---|
| 853 | """ |
---|
| 854 | Store key bits of experiment state in the global repository, including |
---|
| 855 | the response that may need to be replayed, and return the response. |
---|
| 856 | """ |
---|
[9c3e77f] | 857 | def get_localnames(t): |
---|
| 858 | names = [ ] |
---|
| 859 | for e in t.elements: |
---|
| 860 | if isinstance(e, topdl.Computer): |
---|
| 861 | n = e.get_attribute('testbed') |
---|
| 862 | if n is not None and n not in names: |
---|
| 863 | names.append(n) |
---|
| 864 | return names |
---|
[6e33086] | 865 | i = 0 |
---|
| 866 | t = topo.clone() |
---|
| 867 | self.decorate_topology(starter, t) |
---|
[06cc65b] | 868 | # Grab the log (this is some anal locking, but better safe than |
---|
| 869 | # sorry) |
---|
| 870 | self.state_lock.acquire() |
---|
[9c3e77f] | 871 | # Put information about this testbed into the topdl |
---|
| 872 | tb = topdl.Testbed(self.uri, "deter", |
---|
| 873 | localname=get_localnames(t), |
---|
| 874 | attribute=[ |
---|
| 875 | { |
---|
| 876 | 'attribute': 'project', |
---|
| 877 | 'value': self.allocation[aid]['project'] |
---|
| 878 | }, |
---|
| 879 | { |
---|
| 880 | 'attribute': 'experiment', |
---|
| 881 | 'value': self.allocation[aid]['experiment'] |
---|
| 882 | }]) |
---|
| 883 | t.elements.append(tb) |
---|
[06cc65b] | 884 | logv = "".join(self.allocation[aid]['log']) |
---|
| 885 | # It's possible that the StartSegment call gets retried (!). |
---|
| 886 | # if the 'started' key is in the allocation, we'll return it rather |
---|
| 887 | # than redo the setup. |
---|
| 888 | self.allocation[aid]['started'] = { |
---|
| 889 | 'allocID': alloc_id, |
---|
| 890 | 'allocationLog': logv, |
---|
| 891 | 'segmentdescription': { |
---|
[b709861] | 892 | 'topdldescription': t.to_dict() |
---|
[06cc65b] | 893 | }, |
---|
[e83f2f2] | 894 | 'proof': proof.to_dict(), |
---|
[06cc65b] | 895 | } |
---|
[b709861] | 896 | self.allocation[aid]['topo'] = t |
---|
[06cc65b] | 897 | retval = copy.copy(self.allocation[aid]['started']) |
---|
| 898 | self.write_state() |
---|
| 899 | self.state_lock.release() |
---|
| 900 | return retval |
---|
| 901 | |
---|
| 902 | # End of StartSegment support routines |
---|
| 903 | |
---|
| 904 | def StartSegment(self, req, fid): |
---|
[b770aa0] | 905 | err = None # Any service_error generated after tmpdir is created |
---|
| 906 | rv = None # Return value from segment creation |
---|
| 907 | |
---|
[8cab4c2] | 908 | self.log.info("StartSegment called by %s" % fid) |
---|
[cc8d8e9] | 909 | try: |
---|
| 910 | req = req['StartSegmentRequestBody'] |
---|
[06cc65b] | 911 | auth_attr = req['allocID']['fedid'] |
---|
| 912 | topref = req['segmentdescription']['topdldescription'] |
---|
[cc8d8e9] | 913 | except KeyError: |
---|
| 914 | raise service_error(server_error.req, "Badly formed request") |
---|
[ecca6eb] | 915 | |
---|
[e02cd14] | 916 | connInfo = req.get('connection', []) |
---|
| 917 | services = req.get('service', []) |
---|
[ecca6eb] | 918 | aid = "%s" % auth_attr |
---|
[6c57fe9] | 919 | attrs = req.get('fedAttr', []) |
---|
[e83f2f2] | 920 | |
---|
| 921 | access_ok, proof = self.auth.check_attribute(fid, auth_attr, |
---|
| 922 | with_proof=True) |
---|
| 923 | if not access_ok: |
---|
[8cab4c2] | 924 | self.log.info("StartSegment for %s failed: access denied" % fid) |
---|
[ecca6eb] | 925 | raise service_error(service_error.access, "Access denied") |
---|
[cd06678] | 926 | else: |
---|
| 927 | # See if this is a replay of an earlier succeeded StartSegment - |
---|
| 928 | # sometimes SSL kills 'em. If so, replay the response rather than |
---|
| 929 | # redoing the allocation. |
---|
| 930 | self.state_lock.acquire() |
---|
| 931 | retval = self.allocation[aid].get('started', None) |
---|
| 932 | self.state_lock.release() |
---|
| 933 | if retval: |
---|
| 934 | self.log.warning("Duplicate StartSegment for %s: " % aid + \ |
---|
| 935 | "replaying response") |
---|
| 936 | return retval |
---|
| 937 | |
---|
| 938 | # A new request. Do it. |
---|
[6c57fe9] | 939 | |
---|
[06cc65b] | 940 | if topref: topo = topdl.Topology(**topref) |
---|
[6c57fe9] | 941 | else: |
---|
| 942 | raise service_error(service_error.req, |
---|
| 943 | "Request missing segmentdescription'") |
---|
[2761484] | 944 | |
---|
[6c57fe9] | 945 | certfile = "%s/%s.pem" % (self.certdir, auth_attr) |
---|
| 946 | try: |
---|
| 947 | tmpdir = tempfile.mkdtemp(prefix="access-") |
---|
[ecca6eb] | 948 | softdir = "%s/software" % tmpdir |
---|
[c23684d] | 949 | os.mkdir(softdir) |
---|
[d3c8759] | 950 | except EnvironmentError: |
---|
[8cab4c2] | 951 | self.log.info("StartSegment for %s failed: internal error" % fid) |
---|
[6c57fe9] | 952 | raise service_error(service_error.internal, "Cannot create tmp dir") |
---|
| 953 | |
---|
[b770aa0] | 954 | # Try block alllows us to clean up temporary files. |
---|
| 955 | try: |
---|
[06cc65b] | 956 | self.retrieve_software(topo, certfile, softdir) |
---|
[f77a256] | 957 | ename, proj, user, xmlrpc_cert, pubkey_base, secretkey_base, \ |
---|
| 958 | alloc_log = self.initialize_experiment_info(attrs, aid, |
---|
| 959 | certfile, tmpdir) |
---|
[c0f409a] | 960 | # A misconfigured cert in the ABAC map can be confusing... |
---|
| 961 | if not os.access(xmlrpc_cert, os.R_OK): |
---|
| 962 | self.log.error("Cannot open user's emulab SSL cert: %s" % \ |
---|
| 963 | xmlrpc_cert) |
---|
| 964 | raise service_error(service_error.internal, |
---|
| 965 | "Cannot open user's emulab SSL cert: %s" % xmlrpc_cert) |
---|
| 966 | |
---|
[9b3627e] | 967 | |
---|
[f3898f7] | 968 | if '/' in proj: proj, gid = proj.split('/') |
---|
| 969 | else: gid = None |
---|
| 970 | |
---|
| 971 | |
---|
[06cc65b] | 972 | # Set up userconf and seer if needed |
---|
[c200d36] | 973 | self.configure_userconf(services, tmpdir) |
---|
[49051fb] | 974 | self.configure_seer_services(services, topo, softdir) |
---|
[06cc65b] | 975 | # Get and send synch store variables |
---|
[26821ac] | 976 | exporter = self.exports_segment(keyfile=self.ssh_privkey_file, |
---|
| 977 | debug=self.create_debug, log=alloc_log, boss=self.boss, |
---|
| 978 | ops=self.ops, cert=xmlrpc_cert) |
---|
| 979 | exporter(self, ename, proj, user, connInfo, tmpdir, gid) |
---|
[2761484] | 980 | self.export_store_info(certfile, proj, ename, connInfo) |
---|
| 981 | self.import_store_info(certfile, connInfo) |
---|
| 982 | |
---|
[b770aa0] | 983 | expfile = "%s/experiment.tcl" % tmpdir |
---|
| 984 | |
---|
| 985 | self.generate_portal_configs(topo, pubkey_base, |
---|
[06cc65b] | 986 | secretkey_base, tmpdir, proj, ename, connInfo, services) |
---|
[b770aa0] | 987 | self.generate_ns2(topo, expfile, |
---|
[8cf2b90e] | 988 | "/proj/%s/software/%s/" % (proj, ename), connInfo) |
---|
[f07fa49] | 989 | |
---|
[b770aa0] | 990 | starter = self.start_segment(keyfile=self.ssh_privkey_file, |
---|
[181aeb4] | 991 | debug=self.create_debug, log=alloc_log, boss=self.boss, |
---|
[f77a256] | 992 | ops=self.ops, cert=xmlrpc_cert) |
---|
[f3898f7] | 993 | rv = starter(self, ename, proj, user, expfile, tmpdir, gid=gid) |
---|
[b770aa0] | 994 | except service_error, e: |
---|
[8cab4c2] | 995 | self.log.info("StartSegment for %s failed: %s" % (fid, e)) |
---|
[b770aa0] | 996 | err = e |
---|
[06cc65b] | 997 | except: |
---|
| 998 | t, v, st = sys.exc_info() |
---|
[5f6ebd0] | 999 | self.log.info("StartSegment for %s failed:unexpected error: %s" \ |
---|
| 1000 | % (fid, traceback.extract_tb(st))) |
---|
[06cc65b] | 1001 | err = service_error(service_error.internal, "%s: %s" % \ |
---|
| 1002 | (v, traceback.extract_tb(st))) |
---|
[b770aa0] | 1003 | |
---|
[574055e] | 1004 | # Walk up tmpdir, deleting as we go |
---|
[06cc65b] | 1005 | if self.cleanup: self.remove_dirs(tmpdir) |
---|
| 1006 | else: self.log.debug("[StartSegment]: not removing %s" % tmpdir) |
---|
[574055e] | 1007 | |
---|
[fd556d1] | 1008 | if rv: |
---|
[8cab4c2] | 1009 | self.log.info("StartSegment for %s succeeded" % fid) |
---|
[e83f2f2] | 1010 | return self.finalize_experiment(starter, topo, aid, req['allocID'], |
---|
| 1011 | proof) |
---|
[b770aa0] | 1012 | elif err: |
---|
| 1013 | raise service_error(service_error.federant, |
---|
| 1014 | "Swapin failed: %s" % err) |
---|
[fd556d1] | 1015 | else: |
---|
| 1016 | raise service_error(service_error.federant, "Swapin failed") |
---|
[5ae3857] | 1017 | |
---|
| 1018 | def TerminateSegment(self, req, fid): |
---|
[8cab4c2] | 1019 | self.log.info("TerminateSegment called by %s" % fid) |
---|
[5ae3857] | 1020 | try: |
---|
| 1021 | req = req['TerminateSegmentRequestBody'] |
---|
| 1022 | except KeyError: |
---|
| 1023 | raise service_error(server_error.req, "Badly formed request") |
---|
| 1024 | |
---|
| 1025 | auth_attr = req['allocID']['fedid'] |
---|
| 1026 | aid = "%s" % auth_attr |
---|
| 1027 | attrs = req.get('fedAttr', []) |
---|
[e83f2f2] | 1028 | |
---|
| 1029 | access_ok, proof = self.auth.check_attribute(fid, auth_attr, |
---|
| 1030 | with_proof=True) |
---|
| 1031 | if not access_ok: |
---|
[5ae3857] | 1032 | raise service_error(service_error.access, "Access denied") |
---|
| 1033 | |
---|
| 1034 | self.state_lock.acquire() |
---|
[06cc65b] | 1035 | if aid in self.allocation: |
---|
[5ae3857] | 1036 | proj = self.allocation[aid].get('project', None) |
---|
| 1037 | user = self.allocation[aid].get('user', None) |
---|
[f77a256] | 1038 | xmlrpc_cert = self.allocation[aid].get('cert', None) |
---|
[5ae3857] | 1039 | ename = self.allocation[aid].get('experiment', None) |
---|
[05c41f5] | 1040 | nonce = self.allocation[aid].get('nonce', False) |
---|
[1d913e13] | 1041 | else: |
---|
| 1042 | proj = None |
---|
| 1043 | user = None |
---|
| 1044 | ename = None |
---|
[05c41f5] | 1045 | nonce = False |
---|
[f77a256] | 1046 | xmlrpc_cert = None |
---|
[5ae3857] | 1047 | self.state_lock.release() |
---|
| 1048 | |
---|
| 1049 | if not proj: |
---|
[8cab4c2] | 1050 | self.log.info("TerminateSegment failed for %s: cannot find project"\ |
---|
| 1051 | % fid) |
---|
[5ae3857] | 1052 | raise service_error(service_error.internal, |
---|
| 1053 | "Can't find project for %s" % aid) |
---|
[f3898f7] | 1054 | else: |
---|
| 1055 | if '/' in proj: proj, gid = proj.split('/') |
---|
| 1056 | else: gid = None |
---|
[5ae3857] | 1057 | |
---|
| 1058 | if not user: |
---|
[8cab4c2] | 1059 | self.log.info("TerminateSegment failed for %s: cannot find user"\ |
---|
| 1060 | % fid) |
---|
[5ae3857] | 1061 | raise service_error(service_error.internal, |
---|
| 1062 | "Can't find creation user for %s" % aid) |
---|
| 1063 | if not ename: |
---|
[8cab4c2] | 1064 | self.log.info( |
---|
| 1065 | "TerminateSegment failed for %s: cannot find experiment"\ |
---|
| 1066 | % fid) |
---|
[5ae3857] | 1067 | raise service_error(service_error.internal, |
---|
| 1068 | "Can't find experiment name for %s" % aid) |
---|
[b90c44d] | 1069 | |
---|
[fd556d1] | 1070 | stopper = self.stop_segment(keyfile=self.ssh_privkey_file, |
---|
[c7141dc] | 1071 | debug=self.create_debug, boss=self.boss, ops=self.ops, |
---|
[f77a256] | 1072 | cert=xmlrpc_cert) |
---|
[05c41f5] | 1073 | stopper(self, user, proj, ename, gid, nonce) |
---|
[8cab4c2] | 1074 | self.log.info("TerminateSegment succeeded for %s %s %s" % \ |
---|
| 1075 | (fid, proj, ename)) |
---|
[b90c44d] | 1076 | self.state_lock.acquire() |
---|
| 1077 | # Remove the started flag/info - the segment is no longer started |
---|
| 1078 | if aid in self.allocation: |
---|
[e62fb86] | 1079 | if 'started' in self.allocation[aid]: |
---|
| 1080 | del self.allocation[aid]['started'] |
---|
[b90c44d] | 1081 | self.write_state() |
---|
| 1082 | self.state_lock.release() |
---|
[e83f2f2] | 1083 | return { 'allocID': req['allocID'], 'proof': proof.to_dict() } |
---|
[45e880d] | 1084 | |
---|
| 1085 | def InfoSegment(self, req, fid): |
---|
[8cab4c2] | 1086 | self.log.info("InfoSegment called by %s" % fid) |
---|
[45e880d] | 1087 | try: |
---|
| 1088 | req = req['InfoSegmentRequestBody'] |
---|
| 1089 | except KeyError: |
---|
| 1090 | raise service_error(server_error.req, "Badly formed request") |
---|
| 1091 | |
---|
| 1092 | auth_attr = req['allocID']['fedid'] |
---|
| 1093 | aid = "%s" % auth_attr |
---|
| 1094 | |
---|
| 1095 | access_ok, proof = self.auth.check_attribute(fid, auth_attr, |
---|
| 1096 | with_proof=True) |
---|
| 1097 | if not access_ok: |
---|
| 1098 | raise service_error(service_error.access, "Access denied") |
---|
| 1099 | |
---|
| 1100 | self.state_lock.acquire() |
---|
| 1101 | if aid in self.allocation: |
---|
| 1102 | topo = self.allocation[aid].get('topo', None) |
---|
| 1103 | if topo: topo = topo.clone() |
---|
| 1104 | proj = self.allocation[aid].get('project', None) |
---|
| 1105 | user = self.allocation[aid].get('user', None) |
---|
[f77a256] | 1106 | xmlrpc_cert = self.allocation[aid].get('cert', None) |
---|
[45e880d] | 1107 | ename = self.allocation[aid].get('experiment', None) |
---|
| 1108 | else: |
---|
| 1109 | proj = None |
---|
| 1110 | user = None |
---|
| 1111 | ename = None |
---|
[b709861] | 1112 | topo = None |
---|
[f77a256] | 1113 | xmlrpc_cert = None |
---|
[45e880d] | 1114 | self.state_lock.release() |
---|
| 1115 | |
---|
| 1116 | if not proj: |
---|
[8cab4c2] | 1117 | self.log.info("InfoSegment failed for %s: cannot find project"% fid) |
---|
[45e880d] | 1118 | raise service_error(service_error.internal, |
---|
| 1119 | "Can't find project for %s" % aid) |
---|
| 1120 | else: |
---|
| 1121 | if '/' in proj: proj, gid = proj.split('/') |
---|
| 1122 | else: gid = None |
---|
| 1123 | |
---|
| 1124 | if not user: |
---|
[8cab4c2] | 1125 | self.log.info("InfoSegment failed for %s: cannot find user"% fid) |
---|
[45e880d] | 1126 | raise service_error(service_error.internal, |
---|
| 1127 | "Can't find creation user for %s" % aid) |
---|
| 1128 | if not ename: |
---|
[8cab4c2] | 1129 | self.log.info("InfoSegment failed for %s: cannot find exp"% fid) |
---|
[45e880d] | 1130 | raise service_error(service_error.internal, |
---|
| 1131 | "Can't find experiment name for %s" % aid) |
---|
| 1132 | info = self.info_segment(keyfile=self.ssh_privkey_file, |
---|
[c7141dc] | 1133 | debug=self.create_debug, boss=self.boss, ops=self.ops, |
---|
[f77a256] | 1134 | cert=xmlrpc_cert) |
---|
[6e33086] | 1135 | info(self, user, proj, ename) |
---|
[8cab4c2] | 1136 | self.log.info("InfoSegment gathered info for %s %s %s %s" % \ |
---|
| 1137 | (fid, user, proj, ename)) |
---|
[6e33086] | 1138 | self.decorate_topology(info, topo) |
---|
[1ae1aa2] | 1139 | self.state_lock.acquire() |
---|
| 1140 | if aid in self.allocation: |
---|
| 1141 | self.allocation[aid]['topo'] = topo |
---|
| 1142 | self.write_state() |
---|
| 1143 | self.state_lock.release() |
---|
[8cab4c2] | 1144 | self.log.info("InfoSegment updated info for %s %s %s %s" % \ |
---|
| 1145 | (fid, user, proj, ename)) |
---|
[1ae1aa2] | 1146 | |
---|
[7f57435] | 1147 | rv = { |
---|
[45e880d] | 1148 | 'allocID': req['allocID'], |
---|
| 1149 | 'proof': proof.to_dict(), |
---|
| 1150 | } |
---|
[8cab4c2] | 1151 | self.log.info("InfoSegment succeeded info for %s %s %s %s" % \ |
---|
| 1152 | (fid, user, proj, ename)) |
---|
[7f57435] | 1153 | if topo: |
---|
| 1154 | rv['segmentdescription'] = { 'topdldescription' : topo.to_dict() } |
---|
| 1155 | return rv |
---|
[b709861] | 1156 | |
---|
| 1157 | def OperationSegment(self, req, fid): |
---|
| 1158 | def get_pname(e): |
---|
| 1159 | """ |
---|
| 1160 | Get the physical name of a node |
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| 1161 | """ |
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| 1162 | if e.localname: |
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| 1163 | return re.sub('\..*','', e.localname[0]) |
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| 1164 | else: |
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| 1165 | return None |
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| 1166 | |
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[8cab4c2] | 1167 | self.log.info("OperationSegment called by %s" % fid) |
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[b709861] | 1168 | try: |
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| 1169 | req = req['OperationSegmentRequestBody'] |
---|
| 1170 | except KeyError: |
---|
| 1171 | raise service_error(server_error.req, "Badly formed request") |
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| 1172 | |
---|
| 1173 | auth_attr = req['allocID']['fedid'] |
---|
| 1174 | aid = "%s" % auth_attr |
---|
| 1175 | |
---|
| 1176 | access_ok, proof = self.auth.check_attribute(fid, auth_attr, |
---|
| 1177 | with_proof=True) |
---|
| 1178 | if not access_ok: |
---|
[8cab4c2] | 1179 | self.log.info("OperationSegment failed for %s: access denied" % fid) |
---|
[b709861] | 1180 | raise service_error(service_error.access, "Access denied") |
---|
| 1181 | |
---|
| 1182 | op = req.get('operation', None) |
---|
| 1183 | targets = req.get('target', None) |
---|
| 1184 | params = req.get('parameter', None) |
---|
| 1185 | |
---|
| 1186 | if op is None : |
---|
[8cab4c2] | 1187 | self.log.info("OperationSegment failed for %s: no operation" % fid) |
---|
[b709861] | 1188 | raise service_error(service_error.req, "missing operation") |
---|
| 1189 | elif targets is None: |
---|
[8cab4c2] | 1190 | self.log.info("OperationSegment failed for %s: no targets" % fid) |
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[b709861] | 1191 | raise service_error(service_error.req, "no targets") |
---|
| 1192 | |
---|
[f77a256] | 1193 | self.state_lock.acquire() |
---|
[b709861] | 1194 | if aid in self.allocation: |
---|
| 1195 | topo = self.allocation[aid].get('topo', None) |
---|
| 1196 | if topo: topo = topo.clone() |
---|
[f77a256] | 1197 | xmlrpc_cert = self.allocation[aid].get('cert', None) |
---|
[b709861] | 1198 | else: |
---|
| 1199 | topo = None |
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[f77a256] | 1200 | xmlrpc_cert = None |
---|
| 1201 | self.state_lock.release() |
---|
[b709861] | 1202 | |
---|
| 1203 | targets = copy.copy(targets) |
---|
| 1204 | ptargets = { } |
---|
| 1205 | for e in topo.elements: |
---|
| 1206 | if isinstance(e, topdl.Computer): |
---|
| 1207 | if e.name in targets: |
---|
| 1208 | targets.remove(e.name) |
---|
| 1209 | pn = get_pname(e) |
---|
| 1210 | if pn: ptargets[e.name] = pn |
---|
| 1211 | |
---|
| 1212 | status = [ operation_status(t, operation_status.no_target) \ |
---|
| 1213 | for t in targets] |
---|
| 1214 | |
---|
| 1215 | ops = self.operation_segment(keyfile=self.ssh_privkey_file, |
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[c7141dc] | 1216 | debug=self.create_debug, boss=self.boss, ops=self.ops, |
---|
[f77a256] | 1217 | cert=xmlrpc_cert) |
---|
[1ae1aa2] | 1218 | ops(self, op, ptargets, params, topo) |
---|
[8cab4c2] | 1219 | self.log.info("OperationSegment operated for %s" % fid) |
---|
[b709861] | 1220 | |
---|
| 1221 | status.extend(ops.status) |
---|
[8cab4c2] | 1222 | self.log.info("OperationSegment succeed for %s" % fid) |
---|
[b709861] | 1223 | |
---|
| 1224 | return { |
---|
| 1225 | 'allocID': req['allocID'], |
---|
| 1226 | 'status': [s.to_dict() for s in status], |
---|
| 1227 | 'proof': proof.to_dict(), |
---|
| 1228 | } |
---|